Seiko Cal. 4431 - 597

Seiko 4431-597

This Automatic model from 1991 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-38084904be9c]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Black
Jewels
19j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1991

Related Models

seikata-wm-38084904be9c